The amount of time it's going to take for eyelashes to grow back varies depending upon the lead to and the extent in the eyelash reduction. Castor oil. This isn’t scientifically established to encourage eyelash growth but can enhance luster and thickness. *Results are according to the Smarter Evaluations Ranking https://digibookmarks.com/story18610129/top-guidelines-of-eyelashes-grow-back